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https://www.readbyqxmd.com/read/28433590/low-dose-out-of-field-radiotherapy-part-3-qualitative-and-quantitative-impact-of-scattered-out-of-field-radiation-on-mda-mb-231-cell-lines
#1
K Zaleska, W M Suchorska, A Kowalik, M Kruszyna, W Jackowiak, A Skrobala, M Skorska, J Malicki
PURPOSE: Patients who undergo external beam radiotherapy are at risk of developing second tumours due to scattered radiation outside the path of the primary beam. The aim of this study was to experimentally determine the in vitro radiobiological effects of scattered radiation in cells located outside the primary photon beam and to compare this to the effects that occur in cells inside the primary beam. The comparison was performed by assessing cell viability, DNA damage, and apoptosis...
April 19, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28432730/assessment-of-voluntary-deep-inspiration-breath-hold-with-cine-imaging-for-breast-radiotherapy
#2
Reuben Patrick Estoesta, Lani Attwood, Diana Naehrig, Elizabeth Claridge-Mackonis, David Odgers, Darren Martin, Melissa Pham, Joanne Toohey, Susan Carroll
Deep Inspiration Breath-Hold (DIBH) techniques for breast cancer radiation therapy (RT) have reduced cardiac dose compared to Free Breathing (FB). Recently, a voluntary deep inspiration breath-hold (vDIBH) technique was established using in-room lasers and skin tattoos to monitor breath-hold. An in-house quality assessment of positional reproducibility during RT delivery with vDIBH in patients with left-sided breast cancer was evaluated. The electronic portal imaging device (EPID) was used in cinematographic (CINE) mode to capture a sequence of images during beam delivery...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432512/squamous-cell-carcinoma-of-the-breast-in-the-united-states-incidence-demographics-tumor-characteristics-and-survival
#3
Siddhartha Yadav, Dhiraj Yadav, Dana Zakalik
PURPOSE: Squamous cell carcinoma of breast accounts for less than 0.1% of all breast cancers. The purpose of this study is to describe the epidemiology and survival of this rare malignancy. METHODS: Data were extracted from the National Cancer Institute's Surveillance, Epidemiology and End Results Registry to identify women diagnosed with squamous cell carcinoma of breast between 1998 and 2013. SEER*Stat 8.3.1 was used to calculate age-adjusted incidence, age-wise distribution, and annual percentage change in incidence...
April 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28429022/dependence-of-gold-nanoparticle-radiosensitization-on-cell-geometry
#4
Wonmo Sung, Sung-Joon Ye, Aimee L McNamara, Stephen J McMahon, James Hainfeld, Jungwook Shin, Henry M Smilowitz, Harald Paganetti, Jan Schuemann
The radiosensitization effect of gold nanoparticles (GNPs) has been demonstrated both in vitro and in vivo in radiation therapy. The purpose of this study was to systematically assess the biological effectiveness of GNPs distributed in the extracellular media for realistic cell geometries. TOPAS-nBio simulations were used to determine the nanometre-scale radial dose distributions around the GNPs, which were subsequently used to predict the radiation dose response of cells surrounded by GNPs. MDA-MB-231 human breast cancer cells and F-98 rat glioma cells were used as models to assess different cell geometries by changing (1) the cell shape, (2) the nucleus location within the cell, (3) the size of GNPs, and (4) the photon energy...
April 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28427525/precision-medicine-for-early-breast-cancer-radiotherapy-opening-up-new-horizons
#5
REVIEW
Jacques Bernier
So far most efforts put forth to test the value of predictive and prognostic tools in the field of breast radiotherapy remained globally disappointing, or at least below the convincing levels reached for systemic therapy. Nevertheless the addition of predictive tools to the clinical armament tends to prevail over the use of the sole prognostic factors, also in radiotherapy. A number of predictive assays, clinically validated or not, have recently elicited significant associations between molecular profiles and tumor biological aggressiveness and/or radiosensitivity levels...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28426539/the-effect-of-cancer-patients-and-their-family-caregivers-physical-and-emotional-symptoms-on-caregiver-burden
#6
Safora Johansen, Milada Cvancarova, Cornelia Ruland
BACKGROUND: Although there is significant evidence that the family caregivers (FCs) of cancer patients can experience significant caregiver burden and symptoms, less is known about the relationships between FCs and patient characteristics that influence caregiver burden. OBJECTIVE: The purpose of this study was to examine the effect of cancer patients' and FCs' symptoms and demographic characteristics on caregiver burden at initiation of the patients' radiation treatment...
April 20, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28419458/therapeutic-potential-of-novel-formulated-forms-of-curcumin-in-the-treatment-of-breast-cancer-by-the-targeting-of-cellular-and-physiological-dysregulated-pathways
#7
REVIEW
Amir Tajbakhsh, Malihe Hasanzadeh, Mehdi Rezaee, Mostafa Khedri, Majid Khazaei, Soodabeh Shahid Sales, Gordon A Ferns, Seyed Mahdi Hassanian, Amir Avan
Breast cancer is among the most important causes of cancer related death in women. There is a need for novel agents for targeting key signaling pathways to either improve the efficacy of the current therapy, or reduce toxicity. There is some evidence that curcumin may have antitumor activity in breast cancer. Several clinical trials have investigated its activity in patients with breast cancer, including a recent trial in breast cancer patients receiving radiotherapy, in whom it was shown that curcumin reduced the severity of radiation dermatitis, although it is associated with low bioavailability...
April 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28419078/targeting-of-ccbe1-by-mir-330-3p-in-human-breast-cancer-promotes-metastasis
#8
Aruz Mesci, Xiaoyong Huang, Samira Taeb, Sahar Jahangiri, Yohan Kim, Emmanouil Fokas, Jeff Bruce, Hon S Leong, Stanley K Liu
BACKGROUND: MicroRNAs (miRs) are involved in the regulation of many processes that contribute to malignancy, including cell proliferation, radiation resistance, invasion and metastasis. The role of miR-330-3p, an miR upregulated in breast cancer, remains unclear. METHODS: We examine the association of miR-330-3p with distant relapse-free survival in the Oxford cohort of breast cancer patients. We also study miR-330-3p function using in vitro invasion and ex ovo metastasis assays...
April 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28418750/comparing-asian-american-women-s-knowledge-self-efficacy-and-perceived-risk-of-heart-attack-to-other-racial-and-ethnic-groups-the-mped-trial
#9
Yoshimi Fukuoka, Nadra E Lisha, Eric Vittinghoff
OBJECTIVE: The aim of the study was to compare knowledge and awareness of heart attacks/heart disease and perceived risk for future heart attack in Asian/Pacific Islander women, compared to other racial and ethnic groups. MATERIALS AND METHODS: In this cross-sectional study, 318 women enrolled in a mobile phone-based physical activity education trial were analyzed. Heart attack knowledge, self-efficacy for recognizing and responding to heart attack symptoms, and perceived risk for a future heart attack were measured...
April 18, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28417508/effectiveness-of-semi-permeable-dressings-to-treat-radiation-induced-skin-reactions-a-systematic-review
#10
M Fernández-Castro, B Martín-Gil, I Peña-García, M López-Vallecillo, M E García-Puig
The aim of this systematic review is to assess the available evidence concerning the effectiveness of semi-permeable dressings, on the full range of skin reactions, related to radiation therapy in cancer patients, from local erythema to moist desquamation, including subjective symptoms such as pain, discomfort, itchiness, burning and the effect on daily life activities. The bibliographic search was carried out looking for Randomised Clinical Trials (RCTs) indexed in PubMed, Cinhal, Cochrane plus and Biblioteca Nacional de Salud, published in the English and Spanish language, between 2010 and 2015...
April 18, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28415828/melatonin-for-the-prevention-and-treatment-of-cancer
#11
REVIEW
Ya Li, Sha Li, Yue Zhou, Xiao Meng, Jiao-Jiao Zhang, Dong-Ping Xu, Hua-Bin Li
The epidemiological studies have indicated a possible oncostatic property of melatonin on different types of tumors. Besides, experimental studies have documented that melatonin could exert growth inhibition on some human tumor cells in vitro and in animal models. The underlying mechanisms include antioxidant activity, modulation of melatonin receptors MT1 and MT2, stimulation of apoptosis, regulation of pro-survival signaling and tumor metabolism, inhibition on angiogenesis, metastasis, and induction of epigenetic alteration...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413663/breast-implant-associated-anaplastic-large-cell-lymphoma-and-the-role-of-brentuximab-vedotin-sgn-35-therapy-a-case-report-and-review-of-the-literature
#12
Kristin Richardson, Taha Alrifai, Kelly Grant-Szymanski, George J Kouris, Parameswaran Venugopal, Brett Mahon, Reem Karmali
Breast implant-associated (BIA) anaplastic large-cell lymphoma (ALCL) is a rare disease, comprising a small percentage of all non-Hodgkin lymphomas (NHLs), reportedly 2-3%. There is currently no established standard approach to the treatment of BIA ALCL. The first case on the development of ALCL in the presence of a breast implant was reported in 1997 and the association was first identified by the Food and Drug Administration in 2011. We herein describe a case of BIA ALCL in a patient with a previous history of breast cancer and breast reconstruction who presented with hardening of her breast implant...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28412326/no-acute-changes-in-lvef-observed-with-concurrent-trastuzumab-and-breast-radiation-with-low-heart-doses
#13
Shelly X Bian, Mariam P Korah, Taylor R Whitaker, Lingyun Ji, Susan Groshen, Eugene Chung
INTRODUCTION/BACKGROUND: Treatment for HER2-postitive breast cancer often includes trastuzumab, breast/chest wall (CW) radiation (RT), and anthracyclines, all of which have cardiac toxicity. We aimed to evaluate the relationship between heart dose and acute left ventricular ejection fraction (LVEF) changes in patients who received concurrent trastuzumab and breast/CW RT with and without anthracycline use. PATIENTS AND METHODS: We retrospectively reviewed all nonmetastatic breast cancer patients from 2008 to 2015 who received concurrent trastuzumab and breast/CW RT...
March 23, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28412093/non-small-cell-lung-cancer-as-a-second-primary-among-patients-with-previous-malignancy-who-is-at-risk
#14
Geena X Wu, Rebecca A Nelson, Jae Y Kim, Dan J Raz
BACKGROUND: Patients with previous malignancies could be at increased risk of non-small cell lung cancer (NSCLC). However, the extent of the risk is unknown for many cancer types; thus, it is unclear who might benefit from screening. MATERIALS AND METHODS: The Surveillance, Epidemiology, and End Results data set from 1992 to 2012 was used to identify patients with previous malignancies who received a diagnosis of NSCLC ≥ 6 months after their initial cancer diagnosis...
March 2, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28411676/synthesized-digital-mammography-imaging
#15
REVIEW
Phoebe E Freer, Nicole Winkler
Synthesized mammography (SM) is a new imaging technique similar to digital mammography constructed from an acquired digital breast tomosynthesis (DBT) examination. SM allows for widespread screening using DBT, maintaining the benefits of DBT while decreasing the radiation of DBT by nearly half. This article reviews studies evaluating SM, most of which suggest that SM may be appropriate to use clinically to replace an actual acquired conventional 2-dimensional full-field digital mammogram (FFDM) when using DBT for breast cancer screening...
May 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28410687/the-evaluation-of-the-feasibility-of-carotid-sparing-intensity-modulated-radiation-therapy-technique-for-comprehensive-breast-irradiation
#16
Ozge Petek Erpolat, Muge Akmansu, Serap Catli Dinc, Koray Akkan, Huseyin Bora
PURPOSE: To investigate the feasibility of carotid sparing intensity modulated radiation therapy (CS-IMRT) to minimize the radiation dose to carotid arteries for comprehensive irradiation of breast cancer patients who have risk factors for atherosclerosis. The dose distribution of CS-IMRT technique and the conventional irradiation technique were also compared. PATIENTS AND METHODS: Ten patients who were previously treated with comprehensive three-dimensional conformal radiation therapy (3DCRT) were selected...
April 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28408621/endocrine-therapy-initiation-and-medical-oncologist-utilization-among-women-diagnosed-with-ductal-carcinoma-in-situ
#17
Chelsea Anderson, Anne Marie Meyer, Stephanie B Wheeler, Lei Zhou, Katherine E Reeder-Hayes, Hazel B Nichols
BACKGROUND: Though randomized clinical trials have demonstrated a reduction in second breast events with endocrine therapy among women with ductal carcinoma in situ (DCIS), use of these therapies remains highly variable. The purpose of this study was to evaluate patient and treatment-related factors associated with endocrine therapy initiation and medical oncology specialty utilization after DCIS. MATERIALS AND METHODS: We identified women with a DCIS diagnosis during 2006-2010 in the North Carolina Central Cancer Registry with linked public and private insurance claims in the University of North Carolina Integrated Cancer Information Surveillance System data resource...
April 13, 2017: Oncologist
https://www.readbyqxmd.com/read/28408054/radiation-therapy-quality-indicators-for-invasive-breast-cancer
#18
Lara Best, Catherine de Metz, Ivo A Olivotto, Isabelle Roy, Tim Whelan, Julie Arsenault, Michael Brundage
BACKGROUND AND PURPOSE: Radiation therapy (RT) for breast cancer has evolved considerably over the past two decades. A concise list of optimal care indexes is lacking. The purpose of this project was to generate a suite of quality of care indicators for breast cancer RT. MATERIALS AND METHODS: A modified Delphi approach was used including a comprehensive literature and guideline review (1995-2015), an initial review of potential quality indicators (QIs) by a steering committee, a survey of Canadian Radiation Oncologists, and a face-to-face consensus development meeting with breast cancer experts to develop a list of breast RT quality indicators...
April 10, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28405497/results-of-a-phase-i-ii-study-of-adjuvant-concurrent-carboplatin-and-accelerated-radiotherapy-for-triple-negative-breast-cancer
#19
Silvia C Formenti, Encouse B Golden, Judith D Goldberg, Xiaochun Li, Jessica Taff, Maria B Fenton-Kerimian, Sharanya Chandrasekhar, Sandra Demaria, Yelena Novik
Purpose: To determine feasibility and explore the clinical efficacy of concurrent radiotherapy and carboplatin as adjuvant treatment of triple negative breast cancer (TNBC). Patients and Methods: Women with Stage I-II TNBC were treated after surgery in a phase I-II prospective trial [NCT01289353]. Weekly carboplatin (AUC = 2.0) was delivered for 6 weeks. Concurrent radiotherapy was delivered in the prone position during weeks 2-4, for a total dose of 40.5 Gy in 15 fractions to the breast, and 46.5 Gy in 17 fractions to the tumor bed...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28404755/nccn-guidelines-insights-breast-cancer-version-1-2017
#20
William J Gradishar, Benjamin O Anderson, Ron Balassanian, Sarah L Blair, Harold J Burstein, Amy Cyr, Anthony D Elias, William B Farrar, Andres Forero, Sharon Hermes Giordano, Matthew P Goetz, Lori J Goldstein, Steven J Isakoff, Janice Lyons, P Kelly Marcom, Ingrid A Mayer, Beryl McCormick, Meena S Moran, Ruth M O'Regan, Sameer A Patel, Lori J Pierce, Elizabeth C Reed, Kilian E Salerno, Lee S Schwartzberg, Amy Sitapati, Karen Lisa Smith, Mary Lou Smith, Hatem Soliman, George Somlo, Melinda Telli, John H Ward, Dorothy A Shead, Rashmi Kumar
These NCCN Guidelines Insights highlight the important updates/changes to the surgical axillary staging, radiation therapy, and systemic therapy recommendations for hormone receptor-positive disease in the 1.2017 version of the NCCN Guidelines for Breast Cancer. This report summarizes these updates and discusses the rationale behind them. Updates on new drug approvals, not available at press time, can be found in the most recent version of these guidelines at NCCN.org.
April 2017: Journal of the National Comprehensive Cancer Network: JNCCN
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